copy file with byte java

1var source = new File("src/resources/bugs.txt");
2var dest = new File("src/resources/bugs2.txt");
3
4Files.copy(source.toPath(), dest.toPath(), 
5           StandardCopyOption.REPLACE_EXISTING);
6
7//Source: http://zetcode.com/java/copyfile/

1import java.io.FileInputStream;
2import java.io.FileOutputStream;
3
4public class Main {
5    public static void main(String[] args) {
6        FileInputStream in =null;
7        FileOutputStream out=null;
8        try {
9            in=new FileInputStream(args[0]);
10            out=new FileOutputStream(args[1]);
11
12            int c;
13            while ((c=in.read())!=-1){
14                out.write(c);
15            }
16        }
17        catch (Exception e){
18            System.out.println("Error Copping File");
19        }
20    }
21}